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NOMAD spectrometer on the ExoMars trace gas orbiter mission: part 1-design, manufacturing and testing of the infrared channels

机译:ExoMars微量气体轨道飞行器任务上的NOMAD光谱仪:第1部分:红外通道的设计,制造和测试

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摘要

NOMAD is a spectrometer suite on board ESA's ExoMars trace gas orbiter due for launch in January 2016. NOMAD consists of two infrared channels and one ultraviolet and visible channel allowing the instrument to perform observations quasi-constantly, by taking nadir measurements at dayside and nightside, and during solar occultations. In this paper, the design, manufacturing, and testing of the two infrared channels are described. We focus upon the optical working principle in these channels, where an echelle grating, used as a diffractive element, is combined with an acousto-optical tunable filter, used as a diffraction order sorter. (C) 2015 Optical Society of America
机译:NOMAD是将于2016年1月发射的ESA ExoMars微量气体轨道仪上的光谱仪套件。NOMAD包括两个红外通道以及一个紫外和可见通道,可通过在白天和夜晚进行最低点测量来准恒定地进行观测,在太阳掩星期间本文描述了两个红外通道的设计,制造和测试。我们将重点放在这些通道的光学工作原理上,将用作衍射元件的阶梯光栅与用作衍射级分选器的声光可调滤光片组合在一起。 (C)2015年美国眼镜学会

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